As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENG BLEED WON'T SHUTOFF WHEN SWITCH IS OFF. PERFORMED TROUBLESHOOTING OF NR 2 ENGINE BLEED SYSTEM FOUND NR 2 ENGINE BLEED AIR REGULATOR INOP. REPLACED BLEED AIR REGULATOR IAW B737MM 36 11 03 PERFORMED LEAK AND OPERATIONAL CHECK OF NR 1 AND NR 2 ENGINE BLEED SYSTEM OPS CHECK GOOD, NO LEAKS NOTED IAW B737 MM 36 11 03 AND B737 MM 36 11 00.